10 rainbow color polyester machine embroidery thread These are finest quality available and widest range of embroidery thread at affordable price. Suitable for any cassette input or spool pin intake method embroidery machines. Also suitable for hand embroidery, Quilting, Tapestry, any other art projects . Each CONE contains 900 meters + (approx 950 yards) of thread. These threads can be used for hand and machine embroidery. AZO FREE AND FAST COLOR